Source code for rios.rioserrors

#!/usr/bin/env python
"""
All exceptions used within rios. 

"""
# This file is part of RIOS - Raster I/O Simplification
# Copyright (C) 2012  Sam Gillingham, Neil Flood
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.


[docs]class RiosError(Exception):
    """
    Base class for RIOS exceptions
    """


[docs]class FileOpenError(RiosError):
    "Failed to open an input or output file"


[docs]class ImageOpenError(FileOpenError):
    "Image wasn't able to be opened by GDAL"


[docs]class ParameterError(RiosError):
    "Incorrect parameters passed to function"


[docs]class GDALLayerNumberError(RiosError):
    "A GDAL layer number was given, but was out of range"


[docs]class ResampleNeededError(RiosError):
    "Images do not match - resample needs to be turned on"


[docs]class OutsideImageBoundsError(RiosError):
    "Requested Block is not available"


[docs]class GdalWarpError(RiosError):
    "Error while running gdalwarp"


[docs]class ThematicError(RiosError):
    "File unable to be set to thematic"


[docs]class ProcessCancelledError(RiosError):
    "Process was cancelled by user"


[docs]class KeysMismatch(RiosError):
    "Keys do not match expected"


[docs]class MismatchedListLengthsError(RiosError):
    "Two lists had different lengths, when they were supposed to be the same length"


[docs]class AttributeTableColumnError(RiosError):
    "Unable to find specified column"


[docs]class AttributeTableTypeError(RiosError):
    "Type does not match that expected"


[docs]class ArrayShapeError(RiosError):
    "Error in shape of an array"


[docs]class TypeConversionError(RiosError):
    "Unknown type conversion"


[docs]class VectorAttributeError(RiosError):
    "Unable to find specified index in vector file"


[docs]class VectorGeometryTypeError(RiosError):
    "Unexpected Geometry type"


[docs]class VectorProjectionError(RiosError):
    "Vector projection does not match raster projection"


[docs]class VectorRasterizationError(RiosError):
    "Rasterisation of Vector dataset failed"


[docs]class VectorLayerError(RiosError):
    "Unable to find the specified layer"


[docs]class WrongControlsObject(RiosError):
    "The wrong type of control object has been passed to apply"


[docs]class RatBlockLengthError(RiosError):
    "Error with RAT block length, in ratapplier"


[docs]class RatMismatchError(RiosError):
    "Inconsistent RATs on inputs to ratapplier"


[docs]class IntersectionError(RiosError):
    "Images don't have a common area"


[docs]class JobMgrError(RiosError):
    "Errors from Jobmanager class"


[docs]class ColorTableGenerationError(RiosError):
    "Error generating a color table"


[docs]class PermissionError(RiosError):
    "Error due to permissions on temp files"